Illusion woo
What is the first step of top-down or bottom-up processing?
The sense organs receive stimuli
Is it yanny or laurel
yanny
What is the cell body of a neuron called
soma
What is the first stage in sensation & perception
reception
What two systems does the human nervous system involve?
Central Nervous system and Peripheral Nervous system
A predisposition to interpret stimuli in a particular way, according to expectations influenced by
past experience, context, emotion and motivation. Perceptual set helps us focus on relevant
information but can also lead to bias or misinterpretation.
Is the definition of what?
Perceptual set
Is the dress blue and black or white and gold
white and gold bruv
What do dendrites do and what do they look like?
What are the three stages of sensation called?
reception, transduction and transmission
What does the CNS include?
Brain and Spinal chord
The illusion that shows two lines of equal length,
one with inward fins and one with outward fins
... is called what?
Müller-Lyer illusion
Sing happy birthday to someone in the room for 700 points
good job
What's a synapse?
Neural junction where electrical signals and chemical neurotransmitters are relayed between neurons or muscles
What are the three stages in perception called?
selection, organisation and interpretation
What are the two systems within the autonomic system
parasympathetic and sympathetic
What was the finding from Hudson's (1960) study?
Bantu participants interpreted the hunter targeting the rhino
Do one push up for 200 points
What are the two main types of neurotransmitters and what do they do?
Excitatory - cause target cell to become excited and more likely to fire and cause an action potential
Inhibitory - cause target cell to become inhibited and less likely to fire and cause an action potential
With sight, which lobe does the optic nerve carry the stimulus information to?
occipital
Which system is described as fight or flight?
sympathetic
Perceptual phenomenon where the brain misinterprets visual stimuli, leading to an image that
differs from objective reality... is the definition of what?
visual illusions
(Actually Serious) What's the difference between bottom-up and top-down processing?
Top-down: Perceptions of stimuli are influenced by our prior knowledge, expectations and contexts.
Bottom-up: Perception are built from incoming sensory data, constructing a whole stimulus by combining its
individual parts.
What's the difference between GABA and Glutamate? What are they involved in?
GABA is main inhibitory - reduces anxiety, regulates stress, promotes sleep etc.
Glutamate - is main excitatory - learning, memory, cognition etc.
Which part of the ear does transduction occur in hearing?
inner - cochlea
What is the difference between monosynaptic reflex arc and polysynaptic reflex arc?
mono only has two (one sensory and one motor) whereas poly has multiple with one or more interneurons